Stay updated with real-time air quality in Pleasanton, California featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
38
Good
Pleasanton, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.63 μg/m³
0
55
155
255
425
605+
31.01 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
4.59 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Pleasanton, California
Pleasanton, California
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AQI 38
Good
7.40μg/m³
PM2.5
35.66μg/m³
PM10
32.12ppb
O3
0.49ppb
SO2
4.60ppb
NO2
0.25ppm
CO
AQI 54
Moderate
10.58μg/m³
PM2.5
46.92μg/m³
PM10
30.98ppb
O3
0.51ppb
SO2
4.60ppb
NO2
0.22ppm
CO
AQI 38
Good
6.89μg/m³
PM2.5
29.28μg/m³
PM10
30.51ppb
O3
0.58ppb
SO2
4.64ppb
NO2
0.26ppm
CO
AQI 38
Good
7.26μg/m³
PM2.5
34.70μg/m³
PM10
23.88ppb
O3
0.59ppb
SO2
4.70ppb
NO2
0.25ppm
CO
AQI 49
Good
8.55μg/m³
PM2.5
39.81μg/m³
PM10
26.17ppb
O3
0.62ppb
SO2
4.91ppb
NO2
0.24ppm
CO
AQI 44
Good
7.84μg/m³
PM2.5
37.24μg/m³
PM10
24.81ppb
O3
0.62ppb
SO2
4.80ppb
NO2
0.24ppm
CO
Air quality measurements for California, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Pleasanton, California is updated on an hourly basis.
The worst air quality in Pleasanton, California was recorded at 09:00:00 on 2026-08-11.
The best air quality in Pleasanton, California was recorded at 11:00:00 on 2026-08-12.
The real-time air quality index in Pleasanton, California is 38, currently categorized as Good.
The most common pollutant in Pleasanton, California is PM2.5.
If the air quality in Pleasanton, California is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Pleasanton, California at present are 7.435 μg/m3.
The current PM10 levels in Pleasanton, California are 35.63 μg/m3.
The current carbon monoxide (CO) level in Pleasanton, California is 0.25 ppm.
The current sulfur dioxide (SO2) levels in Pleasanton, California are 0.669 ppb.
The current ozone (O3) levels at Pleasanton, California is 31.011 ppm.
The current nitrogen dioxide (NO2) levels at Pleasanton, California is 4.591 ppb.
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